405870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:256

約数の個数: 32

約数和(自身を含む): 991872

約数和(自身を除く): 586002

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 83, 163, 166, 249, 326, 415, 489, 498, 815, 830, 978, 1245, 1630, 2445, 2490, 4890, 13529, 27058, 40587, 67645, 81174, 135290, 202935, 405870]

約数ペア:

[(1, 405870), (2, 202935), (3, 135290), (5, 81174), (6, 67645), (10, 40587), (15, 27058), (30, 13529), (83, 4890), (163, 2490), (166, 2445), (249, 1630), (326, 1245), (415, 978), (489, 830), (498, 815)]